我們將介紹Zee模型的定理，以及如何擴展Zee模型來解釋活性微中子和惰性微中子的
質量，並在擴展Zee模型中掃描參數。然後，檢查該模型是否能夠符合短基線惰性微中
子實驗和全球活性微中子實驗的數據。此外，我們將討論對模型係數施加的限制，這
些限制來自Br(li → lj γ)的限制，它們對模型的係數提供了強大的約束。此外，我們將
在本文中探討這些係數之間的關係。擴展Zee模型提供了一個可行的機制，成功地符合
實驗數據，並為3+1味的微中子提供質量解。

We will present the theorem of Zee Model and how to extend Zee Model to explain the mass of active neutrinos and sterile neutrinos, and scan the parameters in Extended Zee Model. Then check if this model can fit the data of short baseline sterile neutrino experiments and global active neutrino experiments. Additionally, we will discuss the constraints imposed by the limits on Br(li → ljγ), which provide strong restrictions on the model’s coefficients. Furthermore, we will explore the relationships among these coefficients in this article. The Extended Zee Model offers a viable mechanism that successfully accommodates the experimental data and provides mass solutions for 3+1 flavor neutrinos.

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